Road-planer.



E. A. WHEELER & W. IVI. MORGAN.

RUAD PLANER.

APPLICAUQN HLED AUG.24. |915.

1,236,5l8. l PatentedAug.14,1917.

2 SHEETS-SHEET @mm 1'.. m2236597 'm 77207 ww E. A. WHEELER & W. IVI.'MORGAN.

ROAD PLANER.

APPLICATION FILED AuG.24. 191e.

Patented Aug'. 14., 1917.

@www/60M @wi/Immo EARL'A. WHEELER AND WALLACE M. MORGAN, OF BAKERSFIELD,CALIFORNIA.

ROAD-PLANER.

Application filed August 24, 1916.

To all whomy t may concern.'

Be it known that we, EARL A. WHEELER and WALLACE M. MORGAN, citizens ofthe United States, residing at Bakersfield, in the county of Kern andState of California, have invented certain new and useful Improvementsin Road-Planers; and we do declare the following to be a full, clear,and

exact description of the invention, such as will enable others skilledin the art to which it appertains to make and use the same.

Our invention aims to provide a simply constructed machine for improvingthe condition of oil macadam, petrolithic or even standard asphaltpavements which have been put down too soft and have therefore rolled orcrept into waves in consequence.

Numerous machines have heretofore been designed for this purposeemploying a series of cutting teeth and obliquely disposed blades inrear of said teeth, the teeth being adapted to cut off the high spots inthe roadway while the blades are designed to distribute the materialthus removed into the hollows. In so far as we are advised all machinesof this class havebeen mounted on wheels and for this reason they haveproven ineffective since the wheelsin dropping into hollows and ridingover ridges continually shift the cutting teeth and grading bladesvertically. This renders it impossible for the roadway t0 be leveledwith any degree of accuracy. To overcome this difficulty we rigidlymount the cutting teeth and the grading blades on a pair of parallelrunners or skids and by so doing maintain a long bearing surface andthus prevent excessive vertical shifting of the teeth and blades.

In the accompanying drawing which constitutes a part of the application;

Figure 1 discloses a top plan view of the improved machine;

Fig. 2 is a vertical longitudinal section thereof; and

Figs. 3 and 4 are vertical transverse sections on the planes of thelines 3-3 and 4-4 of Fig. 1.

`In specifically describing the construction shown in the drawings abovebriefly described, similar characters will be employed to designatecorresponding parts throughout the several views and reference will beherein made to the numerous elements by their respective indices.A Tothis end the numeral 1 designates a pair of spaced parallel runnerswhose lower edges and ends are pref- Specicaton of Letters Patent.

Patented A110. 141e, 1917.

serieu No. 116,663.

erably bound with metal straps 2 for resisting wear. At suitably spacedintervals the two runners are connected by tie bolts 3.

Bolted to the inner sides of the runners 1 near the inner ends thereof,are front and rear angle metal yguides 4 and 5, said guides receivingtherebetween a tooth carrying timber or beam 6 which is preferablylaminated as shown in Fig. 2. rlhe lower ends of adjusting bolts 7 aresecured to the beam 6 in any appropriate manner, said bolts rising fromsaid beam through openings in the crown bar of an arch 8, the legs ofsaid arch being bolted or otherwise secured to the outer sides of therunners 1. Nuts 9 and 10 are threaded on the bolts 7 above and below theaforesaid crown bar and it will be evident that as said nuts aresuitably adjusted the beam 6 may be moved vertically and thei rigidlylocked in adjusted position.

A plurality of parallel vertically disposed teeth or spikes 11 contactwith the front and rear sides of the beam 6 and are so shaped at theirlower ends as to cause them to plane or pare off the roadway with whichthey are brought into contact. To facilitate this operation, the frontteeth are disposed opposite the spaces between the rear teeth as will beevident from Fig. 1. The teeth 11 may be secured in place in anysuitable manner but clamping bars 12 are preferably used for thispurpose, said bars having notches 13 in one edge which receive bolts 14,said bolts passing through the beam 6 as'shown. Adjusting of the bolts14 would obviously permit adjustment of the numerous teeth 11 andremoval thereof for resharpening. Vhen said teeth are to be removed,however, the bars 12 will be removed entirely. These bars are preferablyprovided with seats 15 which receive the teeth therein to preventtilting of said teeth.

To effectively brace the front portion of the machine, a V-shaped bracerod 16 is bolted at its angle to the center of the beam 6 and is securedat its ends to the front tie bolt 3.

In rear of the beam 6, other beams 17 and 18 extend between the runners1 and have their ends slidably received between angle metal guides 19which are bolted to the inner sides of said runners. As shown the twobeams 17 and 18 extend obliquely in opposite directions and the loweredges thereof are provided with blades 20, these blades being adapted toconvey the material planed off by the teethll to the rear ends of saidblades7 gaps 21 being provided at such ends to permit this material topass rearwardly. It will thus be evident that the material pared fromthe ridges of the roadway by the teeth 11 will be worked back and forthbetween'the runners and will thus be distributed within the hollows.After this operation the highway may be covered with a thin coating ofsand or line gravel and rolled after it has been used a suitable lengthof time.

The two blades 20 may be adjusted vertically by shifting the beams 17and 18 between the guides thereof, this shifting being done by means ofbolts 22 rising from the ends of said beams through the crowns of arches23 whose legs are bolted to the runners 1, said crowns extendinglongitudinally above the aforesaid beams and being similar in allrespects to the crown 8 above described. Nuts 24 and 25 are threaded onthe bolts 22 above and below the crowns of the arches 23 and serve toadjust the beams 17 and 18 and to lock them in the required positions.

By constructing the improved machine in the manner shown and describedit will be comparatively inexpensive and durable, particular emphasisbeing laid on the fact that the teeth 11 and the oblique grading bladesare held rigidly between a pair of parallel runners, this structurebeing of great advantage for the reasons heretofore set forth.

In the foregoing we have described a number of specific details ofconstruction for accomplishing probably the best results and in theaccompanying drawings such de- Gopies of this patent may be obtained forve cents each, by addressing the `set our hands in the and rear sides, afront and a rear series of straight one-piece vertical teeth contactingrespectively with said front and rear sides of the beam, upper and lowerone-piece tooth clamping bars extending horizontally adjacent the upperand lower edges of the front and rear sides of the beam and havingtransverse grooves in their inner sides re ceiving the teeth, an upperseries of bolts passing through the upper clamping bars and through theintervening portion of the beam, and a lower series of bolts passingthrough the lower clamping bars and through the portion of the beambetween them, the-front and rear series o-f straight one-piece teethsecured in contact with the front and rear sides of the beam serving thesecondary function of preventing warping of the latter as well asperforming their primary function.

In testimony whereof we have hereunto scribing witnesses.

EARL A. WHEELER. Y WALLACE M.V MORGAN.

Witnesses:

J. KosTnR, PAUL W. l/VEBBER.

Commissioner of Patents,

Washington, D. C.

presence of two sub- Y

